Home / 1,291,403.58-1,937,098.89-331,858.14

Finding the Fourth Proportional to 1,291,403.58, 1,937,098.89 and 331,858.14

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Solution

The fourth proportional to 1,291,403.58, 1,937,098.89 and 331,858.14 is: 497,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,403.58 : 1,937,098.89 = 331,858.14 : x
  2. Step 2: Convert to fraction form
    1,291,403.58/1,937,098.89 = 331,858.14/x
  3. Step 3: Cross multiply
    1,291,403.58x = 1,937,098.89 × 331,858.14
  4. Step 4: Simplify right side
    1,291,403.58x = 642,842,034,631.47
  5. Step 5: Solve for x
    x = 642,842,034,631.47/1,291,403.58
  6. Step 6: Final answer
    x = 497,785.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.